42380306 has 24 divisors (see below), whose sum is σ = 68145084. Its totient is φ = 19754240.

The previous prime is 42380297. The next prime is 42380321. The reversal of 42380306 is 60308324.

It can be written as a sum of positive squares in 2 ways, for example, as 42367081 + 13225 = 6509^2 + 115^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42890 + ... + 43866.

Almost surely, 2^42380306 is an apocalyptic number.

42380306 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42380306 is a deficient number, since it is larger than the sum of its proper divisors (25764778).

42380306 is a wasteful number, since it uses less digits than its factorization.

42380306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42380306 is about 6510.0158217934. The cubic root of 42380306 is about 348.6486832867.

The spelling of 42380306 in words is "forty-two million, three hundred eighty thousand, three hundred six".